DE2946193C2 - - Google Patents
Info
- Publication number
- DE2946193C2 DE2946193C2 DE2946193A DE2946193A DE2946193C2 DE 2946193 C2 DE2946193 C2 DE 2946193C2 DE 2946193 A DE2946193 A DE 2946193A DE 2946193 A DE2946193 A DE 2946193A DE 2946193 C2 DE2946193 C2 DE 2946193C2
- Authority
- DE
- Germany
- Prior art keywords
- ammonia
- activator
- absorption
- solution
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 111
- 238000010521 absorption reaction Methods 0.000 claims description 54
- 229910021529 ammonia Chemical group 0.000 claims description 52
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 46
- 239000012190 activator Substances 0.000 claims description 38
- 239000004471 Glycine Substances 0.000 claims description 23
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical group NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 13
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims description 12
- 150000008041 alkali metal carbonates Chemical class 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000008929 regeneration Effects 0.000 claims description 11
- 238000011069 regeneration method Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 150000007514 bases Chemical class 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 5
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 238000002407 reforming Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 150000002894 organic compounds Chemical class 0.000 claims 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 134
- 239000000243 solution Substances 0.000 description 68
- 229910002092 carbon dioxide Inorganic materials 0.000 description 67
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 13
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- GOLCXWYRSKYTSP-UHFFFAOYSA-N Arsenious Acid Chemical compound O1[As]2O[As]1O2 GOLCXWYRSKYTSP-UHFFFAOYSA-N 0.000 description 6
- -1 alkali metal salts Chemical class 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 5
- 230000003213 activating effect Effects 0.000 description 5
- 150000001413 amino acids Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 125000003277 amino group Chemical group 0.000 description 4
- 150000002169 ethanolamines Chemical class 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical class [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical class [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001414 amino alcohols Chemical class 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- HRXOXDAKKRLSMI-UHFFFAOYSA-N boric acid;2-(2-hydroxyethylamino)ethanol Chemical compound OB(O)O.OCCNCCO HRXOXDAKKRLSMI-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003498 tellurium compounds Chemical class 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1462—Removing mixtures of hydrogen sulfide and carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT69613/78A IT1109076B (it) | 1978-11-16 | 1978-11-16 | Procedimento migliorato per aumentare l efficienza delle soluzioni utilizzate per l assorbimento del co2 e o h2s |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2946193A1 DE2946193A1 (de) | 1980-06-04 |
| DE2946193C2 true DE2946193C2 (enrdf_load_stackoverflow) | 1992-04-30 |
Family
ID=11312483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792946193 Granted DE2946193A1 (de) | 1978-11-16 | 1979-11-15 | Verfahren und absorptionsloesung zur entfernung von kohlendioxid und/oder schwefelwasserstoff aus gasgemischen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4434144A (enrdf_load_stackoverflow) |
| JP (1) | JPS55102421A (enrdf_load_stackoverflow) |
| DE (1) | DE2946193A1 (enrdf_load_stackoverflow) |
| ES (1) | ES485979A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2441411A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2037723A (enrdf_load_stackoverflow) |
| IN (1) | IN152144B (enrdf_load_stackoverflow) |
| IT (1) | IT1109076B (enrdf_load_stackoverflow) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3165315D1 (en) * | 1980-02-19 | 1984-09-13 | Exxon Research Engineering Co | Acid gas scrubbing process using hindered amine solution with hindered amine recovery from side-product cyclic urea |
| GB8528381D0 (en) * | 1985-11-18 | 1985-12-24 | Ici Plc | Chemical process |
| RU2145516C1 (ru) * | 1998-01-20 | 2000-02-20 | Акционерное общество "Ангарская нефтехимическая компания" | Состав для очистки карбидного ацетилена от примесей |
| CA2353307A1 (fr) * | 2001-07-13 | 2003-01-13 | Carmen Parent | Appareil et procede pour le traitement des effluents gazeux |
| CA2405635A1 (en) * | 2002-09-27 | 2004-03-27 | C02 Solution Inc. | A process and a plant for the production of useful carbonated species and for the recycling of carbon dioxide emissions from power plants |
| EP2243550A1 (de) * | 2005-12-16 | 2010-10-27 | Evonik Energy Services GmbH | Verfahren zum Behandeln von Rauchgas-Katalysatoren |
| CA2651888C (en) * | 2006-05-18 | 2015-07-07 | Basf Se | Carbon dioxide absorbent requiring less regeneration energy |
| ES2301394B2 (es) * | 2006-10-31 | 2009-10-07 | Universidade De Santiago De Compostela | Uso de disoluciones acuosas de glucosamina para la eliminacion de dioxido de carbono (co2) y otros gases acidos. |
| DE102007020855A1 (de) | 2007-05-02 | 2008-11-06 | Evonik Energy Services Gmbh | Verfahren zum Reinigen von Rauchgasen aus Verbrennungsanlagen |
| US8765086B2 (en) * | 2007-08-30 | 2014-07-01 | Shell Oil Company | Process for removal of hydrogen sulphide and carbon dioxide from an acid gas stream |
| US20090155889A1 (en) * | 2007-12-13 | 2009-06-18 | Alstom Technology Ltd | System and method for regeneration of an absorbent solution |
| EP2252386B1 (en) * | 2008-03-13 | 2013-06-26 | Shell Internationale Research Maatschappij B.V. | Process for removal of carbon dioxide from a gas |
| FR2933002B1 (fr) * | 2008-06-27 | 2010-08-20 | Inst Francais Du Petrole | Solution absorbante contenant un inhibiteur de degradation soufre derive d'un acide amine et methode pour limiter la degradation d'une solution absorbante |
| DE102008052612A1 (de) * | 2008-10-21 | 2010-04-22 | Uhde Gmbh | Waschlösung zur Gaswäsche mit Aminen in wässrige Ammoniaklösung sowie Verwendung |
| US8940261B2 (en) | 2010-09-30 | 2015-01-27 | The University Of Kentucky Research Foundation | Contaminant-tolerant solvent and stripping chemical and process for using same for carbon capture from combustion gases |
| CN112295364B (zh) * | 2020-08-31 | 2023-01-03 | 中石化南京化工研究院有限公司 | 一种从费托合成循环气中脱除二氧化碳的方法 |
| CN116099331B (zh) * | 2022-12-09 | 2024-09-03 | 中国科学院过程工程研究所 | 一种co2及h2s协同捕集与分离回收的方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB271852A (en) * | 1926-05-28 | 1927-11-10 | Ig Farbenindustrie Ag | Improvements in and means for the extraction of carbon dioxide from gaseous mixtures |
| DE1148036B (de) * | 1954-06-21 | 1963-05-02 | Vetrocoke Spa | Verfahren zum Abtrennen und Gewinnen von Kohlendioxyd und anderen sauren Gasen aus Gasgemischen |
| GB788404A (en) | 1955-04-26 | 1958-01-02 | Distillers Co Yeast Ltd | Gas recovery process |
| US3144301A (en) | 1961-04-21 | 1964-08-11 | Girdler Corp | Removal of carbon dioxde from gaseous mixtures |
| GB1063517A (en) * | 1963-12-30 | 1967-03-30 | Eickmeyer Allen Garland | Methods and composition for the purification of gases |
| ZA697105B (en) * | 1968-10-12 | 1971-05-27 | G Giammarco | Method for the elimination from gas mixtures of the impurities contained therein |
| GB1309785A (en) | 1969-05-16 | 1973-03-14 | Exxon Research Engineering Co | Promotor for acid gas absorption |
| DE2043190C3 (de) * | 1969-09-09 | 1979-02-15 | Benson, Field & Epes, Berwyn, Pa. (V.St.A.) | Verfahren zur Abtrennung von sauren Gasen aus heißen wasserdampfhaltigen Gasgemischen |
| DE2065942A1 (de) * | 1969-11-15 | 1977-06-02 | Snam Progetti | Verfahren zum behandeln von gasen bei der ammoniaksynthese |
| US3856921A (en) | 1970-07-22 | 1974-12-24 | Exxon Research Engineering Co | Promoting scrubbing of acid gases |
| DE2211640A1 (de) * | 1972-03-10 | 1973-09-20 | Erdoelchemie Gmbh | Verfahren zur entfernung saurer bestandteile aus spaltgasen |
| IT954765B (it) * | 1972-04-26 | 1973-09-15 | Vetrocoke Cokapuanina Spa | Procedimento per l eliminazione di co2 e o altri gas acidi con rigenerazione della soluzione mediamte trattamento con gas di combustione |
| US3864449A (en) | 1973-05-17 | 1975-02-04 | Bethlehem Steel Corp | Regeneration of alkanolamine absorbing solution in gas sweetening processes |
| IT1024575B (it) * | 1974-05-28 | 1978-07-20 | Giammarco G | Procedimento migliorato per l assor bimento di c02 e. o h2s mediante so luzione di carbonato alcalino addizionato di glicina a altri aminoaci di |
| IT1046519B (it) * | 1974-11-08 | 1980-07-31 | Vetrocoke Cokapuania Spa | Procedimento migliorato per la eliminazione e il ricupero di gas acidi co 2 e o h2s da miscele gassose che li contengono |
| DE2558754B2 (de) * | 1975-12-24 | 1977-10-13 | Didier Engineering Gmbh, 4300 Essen | Verfahren zum entfernen von schwefelwasserstoff aus gasen, insbesondere koksofengas |
| US4094957A (en) * | 1976-12-14 | 1978-06-13 | Exxon Research & Engineering Co. | Process for removing acid gases with hindered amines and amino acids |
-
1978
- 1978-11-16 IT IT69613/78A patent/IT1109076B/it active
-
1979
- 1979-10-31 GB GB7937716A patent/GB2037723A/en not_active Withdrawn
- 1979-11-13 FR FR7927956A patent/FR2441411A1/fr active Granted
- 1979-11-15 IN IN1187/CAL/79A patent/IN152144B/en unknown
- 1979-11-15 ES ES485979A patent/ES485979A1/es not_active Expired
- 1979-11-15 JP JP14830979A patent/JPS55102421A/ja active Pending
- 1979-11-15 DE DE19792946193 patent/DE2946193A1/de active Granted
-
1981
- 1981-10-09 US US06/310,256 patent/US4434144A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55102421A (en) | 1980-08-05 |
| US4434144A (en) | 1984-02-28 |
| ES485979A1 (es) | 1980-07-01 |
| GB2037723A (en) | 1980-07-16 |
| IT7869613A0 (it) | 1978-11-16 |
| IT1109076B (it) | 1985-12-16 |
| DE2946193A1 (de) | 1980-06-04 |
| FR2441411B1 (enrdf_load_stackoverflow) | 1985-02-08 |
| IN152144B (enrdf_load_stackoverflow) | 1983-10-29 |
| FR2441411A1 (fr) | 1980-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2946193C2 (enrdf_load_stackoverflow) | ||
| DE60038409T2 (de) | Kohlendioxidgewinnung aus einem sauerstoffhaltigen Gemisch | |
| DE68923793T2 (de) | Verfahren zum süssen von kohlenwasserstoffen. | |
| DE2460231A1 (de) | Verfahren zum entfernen von stickstoffoxiden aus industriellen abgasen und dafuer geeignete waessrige behandlungsloesungen | |
| DE3232546A1 (de) | Verfahren zum entfernen von schwefel- und stickstoffoxiden aus einem abgas | |
| DE2650755A1 (de) | Verfahren zur absorption von schwefeloxiden aus heissen gasen | |
| DE2148244A1 (de) | Verfahren zur Reinigung von Ver brennungsprodukten vor ihrem Ausstoß in die Atmosphäre | |
| DE2459913A1 (de) | Verfahren zur gleichzeitigen entfernung von so tief x und no tief x aus abgasen | |
| EP0052838B1 (de) | Verfahren zum Entfernen von sauren Gasen, insbesondere Kohlendioxid, aus Gasgemischen | |
| DE2445445B2 (de) | Verfahren zum Entfernen von Schwefeldioxid aus Verbrennungsabgasen | |
| DE2818950B2 (de) | Verfahren zur Aufarbeitung von Harnstoff enthaltendem Abwasser, insbesondere aus Harnstofferzeugungsanlagen | |
| DE3626370A1 (de) | Entschwefelung/denitrifikation von rauchgas unter verwendung von metall-chelatadditiven | |
| DE1592324C3 (de) | Verfahren zur Reinigung eines wasserhaltigen, mit Schwefelwasserstoff verunreinigten Ammoniakgases | |
| DE2423828B2 (de) | Verfahren zum Reinigen von Industriegasen | |
| DE2363793C3 (de) | Verfahren zur Entfernung von schwefelhaltigen Gasen aus Abgasen | |
| DE927744C (de) | Verfahren zur Gewinnung von Cyanwasserstoff | |
| DE2431531C2 (de) | Verfahren zur selektiven Absorption von Ammoniak aus einem Gasgemisch | |
| DE2606277A1 (de) | Verfahren zur entfernung von schwefelwasserstoff aus einem gas und mittel zur durchfuehrung des verfahrens | |
| DE1247283B (de) | Verfahren zur Entfernung von Schwefeloxyden aus Abgasen unter Gewinnung von Schwefelsaeure | |
| DE620932C (de) | Verfahren zur Entfernung schwacher gasfoermiger Saeuren aus Gasen | |
| DE2917780C2 (de) | Verfahren zum Entfernen von Schwefelwasserstoff und Ammoniak aus einem Kokereigas sowie zur Freisetzung von in Kohlewasser gebundenem Ammoniak | |
| DE2730526A1 (de) | Verfahren zur reinigung von wasserstoffhaltigen gasen | |
| EP0411454A1 (de) | Verfahren zur Verringerung der Oxidationsgeschwindigkeit von Sulfitlösungen | |
| DE2657192B1 (de) | Verfahren zur Reinigung phenol- und phenol-/formaldehydhaltiger Abwaesser | |
| DE1667763A1 (de) | Verfahren zur Oxydation loeslicher Sulfidverbindungen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAM | Search report available | ||
| OC | Search report available | ||
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: VOSSIUS, V., DIPL.-CHEM. DR.RER.NAT. TAUCHNER, P., |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: TAUCHNER, P., DIPL.-CHEM. DR.RER.NAT. HEUNEMANN, D., DIPL.-PHYS. DR.RER.NAT. RAUH, P., DIPL.-CHEM. DR.RER.NAT., PAT.-ANWAELTE, 8000 MUENCHEN |
|
| 8339 | Ceased/non-payment of the annual fee |